Hand protection safety sign - Hands must be protected by using gloves. This is an acknowledged standard around the world. This sign is often used to inform workers or visitors on specific sites what P.P.E. they require upon entering a Construction site, Mine or even a workshop. This sign is used in conjunction with various other safety signs depending on what your requirements are, i.e - (ZM 1) - Eye protection safety sign also known as Goggles safety sign.